Properties

Label 2-480-120.29-c4-0-48
Degree $2$
Conductor $480$
Sign $1$
Analytic cond. $49.6175$
Root an. cond. $7.04397$
Motivic weight $4$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 9·3-s + 25·5-s + 81·9-s + 238·11-s − 142·13-s − 225·15-s + 98·17-s + 862·23-s + 625·25-s − 729·27-s − 238·29-s − 1.44e3·31-s − 2.14e3·33-s − 1.58e3·37-s + 1.27e3·39-s − 1.77e3·43-s + 2.02e3·45-s + 3.26e3·47-s + 2.40e3·49-s − 882·51-s + 5.95e3·55-s − 2.64e3·59-s − 3.55e3·65-s + 8.30e3·67-s − 7.75e3·69-s − 5.62e3·75-s + 1.10e4·79-s + ⋯
L(s)  = 1  − 3-s + 5-s + 9-s + 1.96·11-s − 0.840·13-s − 15-s + 0.339·17-s + 1.62·23-s + 25-s − 27-s − 0.282·29-s − 1.50·31-s − 1.96·33-s − 1.15·37-s + 0.840·39-s − 0.961·43-s + 45-s + 1.47·47-s + 49-s − 0.339·51-s + 1.96·55-s − 0.758·59-s − 0.840·65-s + 1.84·67-s − 1.62·69-s − 75-s + 1.76·79-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 480 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 480 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(480\)    =    \(2^{5} \cdot 3 \cdot 5\)
Sign: $1$
Analytic conductor: \(49.6175\)
Root analytic conductor: \(7.04397\)
Motivic weight: \(4\)
Rational: yes
Arithmetic: yes
Character: $\chi_{480} (209, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 480,\ (\ :2),\ 1)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(2.066042333\)
\(L(\frac12)\) \(\approx\) \(2.066042333\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + p^{2} T \)
5 \( 1 - p^{2} T \)
good7 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
11 \( 1 - 238 T + p^{4} T^{2} \)
13 \( 1 + 142 T + p^{4} T^{2} \)
17 \( 1 - 98 T + p^{4} T^{2} \)
19 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
23 \( 1 - 862 T + p^{4} T^{2} \)
29 \( 1 + 238 T + p^{4} T^{2} \)
31 \( 1 + 1442 T + p^{4} T^{2} \)
37 \( 1 + 1582 T + p^{4} T^{2} \)
41 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
43 \( 1 + 1778 T + p^{4} T^{2} \)
47 \( 1 - 3262 T + p^{4} T^{2} \)
53 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
59 \( 1 + 2642 T + p^{4} T^{2} \)
61 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
67 \( 1 - 8302 T + p^{4} T^{2} \)
71 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
73 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
79 \( 1 - 11038 T + p^{4} T^{2} \)
83 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
89 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
97 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.44182909611730297786342882265, −9.458741579983557474911626899583, −9.004400343534309654910954997230, −7.18639736322355508150865033688, −6.69439250811195691643205019063, −5.67309173812592399014674876978, −4.89491425229972795839588312229, −3.63720725079845003573292503390, −1.89440435103203811613123405465, −0.897714562490923954675386431528, 0.897714562490923954675386431528, 1.89440435103203811613123405465, 3.63720725079845003573292503390, 4.89491425229972795839588312229, 5.67309173812592399014674876978, 6.69439250811195691643205019063, 7.18639736322355508150865033688, 9.004400343534309654910954997230, 9.458741579983557474911626899583, 10.44182909611730297786342882265

Graph of the $Z$-function along the critical line